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"3238 Telephoto view of the Arizona Valve House. April 25th, 1935.
3234 A telephoto view from the Nevada side, showing some of the Arizona Power House roof girders in position. Note the Universal Crane on top. The girder on the flat car has just been lowered by means of the Government Cableway. April 25th, 1935.
3237 Telephoto of the Nevada Valve House. Note the forms for the roof beams being built. April 25th, 1935.
3245 View taken from the upstream end of No. 4 Plug, looking downstream, showing the method of pouring.
April 26th, 1935.
"

"3238 Telephoto view of the Arizona Valve House. April 25th, 1935.
3234 A telephoto view from the Nevada side, showing some of the Arizona Power House roof girders in position. Note the Universal Crane on top. The girder on the flat car has just been lowered by means of the Government Cableway. April 25th, 1935.
3237 Telephoto of the Nevada Valve House. Note the forms for the roof beams being built. April 25th, 1935.
3245 View taken from the upstream end of No. 4 Plug, looking downstream, showing the method of pouring.
April 26th, 1935.
"

"3238 Telephoto view of the Arizona Valve House. April 25th, 1935.
3234 A telephoto view from the Nevada side, showing some of the Arizona Power House roof girders in position. Note the Universal Crane on top. The girder on the flat car has just been lowered by means of the Government Cableway. April 25th, 1935.
3237 Telephoto of the Nevada Valve House. Note the forms for the roof beams being built. April 25th, 1935.
3245 View taken from the upstream end of No. 4 Plug, looking downstream, showing the method of pouring.
April 26th, 1935.
"